Table 1.

Demographic characteristics of selected people and frequency of people with previous malaria episodes by G6PDd classification

Area	Ethnicity	n (%)	Severe	Intermediate	Normal	Overproduction
Buenaventura	Afrocolombian	94	2	12	78	2
	Mestizo	4	0	1	3	0
	Other	20	0	0	20	0
	Total	118	2	13	101	2
Quibdo	Afrocolombian	86	0	1	85	0
	Mestizo	4	0	0	4	0
	Other	10	0	1	9	0
	Total	100	0	2	98	0
Tierralta	Afrocolombian	2	0	0	2	0
	Mestizo	94	0	3	88	3
	Other	23	0	1	21	1
	Total	119	0	4	111	4
Tumaco	Afrocolombian	44	2	1	40	1
	Mestizo	11	0	1	10	0
	Other	34	2	1	30	1
	Total	89	4	3	80	2

Previous malaria episodes
No	147	1	4	139	3
Yes	279	5	18	251	5
Total	426	6	22	390	8